3(x+7)=6(x-1)-4

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Solution for 3(x+7)=6(x-1)-4 equation:


Simplifying
3(x + 7) = 6(x + -1) + -4

Reorder the terms:
3(7 + x) = 6(x + -1) + -4
(7 * 3 + x * 3) = 6(x + -1) + -4
(21 + 3x) = 6(x + -1) + -4

Reorder the terms:
21 + 3x = 6(-1 + x) + -4
21 + 3x = (-1 * 6 + x * 6) + -4
21 + 3x = (-6 + 6x) + -4

Reorder the terms:
21 + 3x = -6 + -4 + 6x

Combine like terms: -6 + -4 = -10
21 + 3x = -10 + 6x

Solving
21 + 3x = -10 + 6x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-6x' to each side of the equation.
21 + 3x + -6x = -10 + 6x + -6x

Combine like terms: 3x + -6x = -3x
21 + -3x = -10 + 6x + -6x

Combine like terms: 6x + -6x = 0
21 + -3x = -10 + 0
21 + -3x = -10

Add '-21' to each side of the equation.
21 + -21 + -3x = -10 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = -10 + -21
-3x = -10 + -21

Combine like terms: -10 + -21 = -31
-3x = -31

Divide each side by '-3'.
x = 10.33333333

Simplifying
x = 10.33333333

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